Comparing Cortiva Silhouette to AlloDerm for Use in Prepectoral Two-stage Prosthetic Breast Reconstruction

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

• Level A · Stronger Clinical Evidence
• Level B · Emerging clinical evidence with positive signals
• Level C · Early human research exploring benefits
• Level D · Scientific groundwork from lab and animal studies
• Emerging · Emerging topic under active research

Abstract (original English)

Background The use of acellular dermal matrices (ADMs) in implant-based breast reconstruction has become increasingly routine during the past 20 years. ADMs improve soft-tissue support, facilitate greater tissue expander (TE) fill volumes, and reduce rates of capsular contracture. As the ADM market continues to grow, outcomes studies are necessary to assess the risks and benefits of each product. In this study, we compare the performance of Cortiva Silhouette, the thinnest ADM widely available, to AlloDerm, commonly considered the industry standard. Methods We performed a retrospective review of 178 consecutive two-stage prosthetic breast reconstructions performed by the senior author. In every case, either Cortiva or AlloDerm was used to provide soft-tissue support during TE placement. Subjects were divided into Cortiva and AlloDerm cohorts and compared across patient characteristics and reconstructive outcomes variables. Results During the study period, AlloDerm was used in 116 reconstructions; Cortiva was used in 62. After propensity score matching (62 AlloDerm, 62 Cortiva), Cortiva was associated with greater intraoperative and final TE fill volumes, as well as larger silicone implants. Cortiva was also associated with fewer complications overall, and fewer instances of mastectomy skin necrosis, delayed wound healing, and seroma. Conclusions Cortiva Silhouette is noninferio

Evidence level

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

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